TL,DR : Guido. When Guido Van Rossum will tell Python 2.7 is now PyPy or when he will say "we don't support python2 anymore", then pypy will become the python2

TL,DR : Guido. When Guido Van Rossum will tell Python 2.7 is now PyPy or when he will say "we don't support python2 anymore", then pypy will become the python2 de facto standard.